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2505568343 = 4161111423
BaseRepresentation
bin1001010101010111…
…1111000001010111
320110121200001121112
42111111333001113
520112411141333
61052343005235
7116042656655
oct22525770127
96417601545
102505568343
111076367643
1259b13981b
1330c12bb25
1419aa9ddd5
15e9e7a948
hex9557f057

2505568343 has 4 divisors (see below), whose sum is σ = 2566679808. Its totient is φ = 2444456880.

The previous prime is 2505568313. The next prime is 2505568357. The reversal of 2505568343 is 3438655052.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2505568343 - 212 = 2505564247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 61111423 = 2505568343 / (2 + 5 + 0 + 5 + 5 + 6 + 8 + 3 + 4 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2505568343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505568313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30555671 + ... + 30555752.

It is an arithmetic number, because the mean of its divisors is an integer number (641669952).

Almost surely, 22505568343 is an apocalyptic number.

2505568343 is a deficient number, since it is larger than the sum of its proper divisors (61111465).

2505568343 is an equidigital number, since it uses as much as digits as its factorization.

2505568343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61111464.

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 2505568343 is about 50055.6524580391. The cubic root of 2505568343 is about 1358.2157149825.

The spelling of 2505568343 in words is "two billion, five hundred five million, five hundred sixty-eight thousand, three hundred forty-three".

Divisors: 1 41 61111423 2505568343